公开(公告)号：US12166578B2

公开(公告)日：2024-12-10

申请号：US17657938

申请日：2022-04-04

Applicant: QUALCOMM Incorporated

Inventor： Hobin Kim ,  Hari Sankar ,  Alexei Yurievitch Gorokhov ,  Michael Lee Mccloud ,  Joseph Binamira Soriaga

IPC: H04L1/00 ,  H03M13/11 ,  H04W28/04

Abstract: A new radio (NR) bit prioritization procedure that may be executed by a UE and a base station is disclosed, resulting in transmission and reception of modulation symbols having prioritized bits. For example, a transmitter may encode a code block using low-density parity-check code to generate a stream of encoded bits. The transmitter may arrange the encoded bits in one or more modulation symbols according to a relative priority of the encoded bits. The highest priority bits may be located in the most significant bits of the modulation symbol, and therefore be less likely to experience errors. A receiver may receive the modulation symbols and reorder the encoded bits according to the coding scheme based on the relative priority prior to decoding the encoded bits. The prioritization of the bits within the modulation symbols may provide improved block error rates over sequential mapping of encoded bits to symbols.

公开(公告)号：US20240340898A1

公开(公告)日：2024-10-10

申请号：US18296892

申请日：2023-04-06

Applicant: QUALCOMM Incorporated

Inventor： Jae Ho Ryu ,  Mostafa Khoshnevisan ,  Hobin Kim ,  Hari Sankar

IPC: H04W72/1273 ,  H04W72/23 ,  H04W72/51

CPC classification number: H04W72/1273 ,  H04W72/23 ,  H04W72/51

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) receives physical downlink control channels from transmission and reception points (TRPs). The physical downlink control channels may be jointly decoded to facilitate joint demodulation of physical shared channels. The UE receives a first downlink control information (DCI) over a first downlink control channel associated with a first TRP and a second DCI over a second downlink control channel associated with a second TRP. The first downlink control channel overlaps in time with the second downlink control channel. The first DCI schedules a first downlink shared channel associated with the first TRP and the second DCI schedules a second downlink shared channel associated with the second TRP. The UE receives the first downlink shared channel and the second downlink shared channel that overlap in time. The UE performs joint demodulation of the first and second downlink shared channels.

公开(公告)号：US12113617B2

公开(公告)日：2024-10-08

申请号：US17319283

申请日：2021-05-13

Applicant: QUALCOMM Incorporated

Inventor： Hari Sankar ,  Gabi Sarkis ,  Changlong Xu ,  Alexei Gorokhov ,  Jing Jiang ,  Joseph Binamira Soriaga ,  Jilei Hou

IPC: H04L1/00 ,  H03M13/00 ,  H03M13/13 ,  H04L5/00

CPC classification number: H04L1/0069 ,  H03M13/13 ,  H03M13/6356 ,  H03M13/6362 ,  H04L1/0057 ,  H04L5/006

Abstract: The disclosure relates in some aspects to information encoding. Information encoding may involve puncturing bits of a codeword or repeating bits of a codeword. The disclosure relates in some aspects to selecting a puncturing or repetition pattern. In some aspects, a puncture pattern for data encoding is selected based on a criterion that the output and the repetition input of an XOR are not erased. In some aspects, a repetition pattern for data encoding is selected based on a criterion that repetition not be applied for the output and the repetition input of an XOR.

公开(公告)号：US11937106B2

公开(公告)日：2024-03-19

申请号：US17409709

申请日：2021-08-23

Applicant: QUALCOMM Incorporated

Inventor： Jae Ho Ryu ,  Hari Sankar ,  Alexei Yurievitch Gorokhov ,  Hobin Kim

IPC: H04W24/08 ,  H04L1/00 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04W24/08 ,  H04L1/0013 ,  H04L5/0048 ,  H04W72/23 ,  H04L1/0025

Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. The apparatus may measure a RSRP of a CRS for each of a plurality of neighboring cells. The apparatus may also calculate an interference strength of each of the plurality of neighboring cells based on the RSRP measurement of the CRS for each of the plurality of neighboring cells. Additionally, the apparatus may compare a PDSCH demodulation performance of the UE based on rate matching for a CRS offset associated with each of the plurality of neighboring cells with the PDSCH demodulation performance of the UE based on skipping the rate matching for the CRS offset. The apparatus may also transmit a request for the rate matching or skipping the rate matching for the CRS offset based on the comparison of the PDSCH demodulation performance of the UE.

公开(公告)号：US11909560B2

公开(公告)日：2024-02-20

申请号：US17302066

申请日：2021-04-22

Applicant: QUALCOMM Incorporated

Inventor： Abhinav Sridhar ,  Jae Won Yoo ,  Tae Min Kim ,  Paolo Minero ,  Ashok Mantravadi ,  Hari Sankar ,  Alexei Yurievitch Gorokhov

IPC: H04L25/02 ,  H04B17/318 ,  H04L5/00

CPC classification number: H04L25/0224 ,  H04B17/318 ,  H04L5/001 ,  H04L5/0048 ,  H04L25/0256 ,  H04W74/0825

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine an actual power delay profile (PDP) associated with a channel between the UE and a base station, wherein the actual PDP indicates an averaged power level of the channel over a period of time. The UE may determine whether a channel estimation mode switching event is satisfied. The UE may switch, based at least in part on the channel estimation mode switching event being satisfied, between a first channel estimation mode based at least in part on the actual PDP and a second channel estimation mode based at least in part on a template PDP. Numerous other aspects are described.

公开(公告)号：US11870576B2

公开(公告)日：2024-01-09

申请号：US17657115

申请日：2022-03-29

Applicant: QUALCOMM Incorporated

Inventor： Hobin Kim ,  Hari Sankar ,  Alessandro Risso ,  Harsha Acharya ,  Alexei Yurievitch Gorokhov ,  Li Zhang

IPC: H04L1/00

CPC classification number: H04L1/0061 ,  H04L1/0068

Abstract: An apparatus for wireless communication is provided. The apparatus may be a receiver device that includes an error correction decoder, such as a low-density parity check (LDPC) decoder. The apparatus may achieve power savings and/or operation cycle savings by disabling the error correction decoder in scenarios where bits of a codeword in a signal transmission are received without errors. The apparatus obtains a first set of bits of a codeword, wherein the codeword includes the first set of bits and a second set of bits, and wherein the second set of bits is punctured. The apparatus recovers the second set of bits based on at least the first set of bits and determines whether to operate an error correction decoder based on a result of an error detection operation performed on the codeword using the first set of bits and the second set of bits.

公开(公告)号：US20230403585A1

公开(公告)日：2023-12-14

申请号：US17838052

申请日：2022-06-10

Applicant: QUALCOMM Incorporated

Inventor： Jae Ho Ryu ,  Changhwan Park ,  Liangping Ma ,  Bharat Shrestha ,  Hari Sankar

IPC: H04W24/08

CPC classification number: H04W24/08

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may support mobility between a non-terrestrial network (NTN) cell and a terrestrial network (TN) cell. If the UE is connected to an NTN cell, the UE may determine timing for a neighboring TN cell using a reference timestamp. A first network entity supporting the NTN cell may request the reference timestamp from a second network entity supporting the TN cell. The second network entity may output the timestamp in response to the request. The first network entity may obtain the timestamp and output an indication of the timestamp to the UE in a measurement gap configuration. The UE may use the reference timestamp to determine timing for a measurement gap and may monitor for a signal (e.g., a synchronization signal) from the second network entity supporting the TN cell during the measurement gap.

公开(公告)号：US11784749B2

公开(公告)日：2023-10-10

申请号：US17651058

申请日：2022-02-14

Applicant: QUALCOMM Incorporated

Inventor： Erman Koken ,  Gabi Sarkis ,  Hobin Kim ,  Hari Sankar ,  Omar Mehanna ,  Shravan Kumar Reddy Garlapati ,  Alessandro Risso ,  Afshin Haftbaradaran

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/00 ,  H04B1/7093

CPC classification number: H04L1/0057 ,  H03M13/13 ,  H04B1/7093 ,  H04L1/0041 ,  H04B2001/70935

Abstract: An apparatus may be configured to receive a polar-encoded transmission comprising at least one intermediate node associated with a first configuration of frozen leaf nodes and information leaf nodes. The apparatus may further be configured to apply an FHT to a first set of values associated with a first intermediate node of the at least one intermediate node to generate a second set of values associated with the first intermediate node. The apparatus may also be configured to select, based on the second set of values, one or more paths associated with the first intermediate node for a SSCL decoding. The apparatus may further be configured to calculate a path metric for each of the selected one or more paths associated with the first intermediate node.

公开(公告)号：US11695509B2

公开(公告)日：2023-07-04

申请号：US17514308

申请日：2021-10-29

Applicant: QUALCOMM Incorporated

Inventor： Gabi Sarkis ,  Joseph Binamira Soriaga ,  Peter Gaal ,  Hari Sankar ,  Alexei Yurievitch Gorokhov

IPC: H04L1/00 ,  H04L5/00 ,  H04W72/0446

CPC classification number: H04L1/0082 ,  H04L1/0013 ,  H04L1/0063 ,  H04L5/0094 ,  H04W72/0446

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may determine to decode or refrain from decoding a transport block (TB) transmitted from a base station based on a decodability condition. The decodability condition may include whether an effective UE throughput for decoding the TB is greater than a predetermined decoding throughput threshold or not. If the effective UE throughput is greater than the predetermined decoding throughput threshold, the UE may refrain from decoding the TB. In some cases, the TB may be a subsequent transmission from the base station based on an initial transmission not being correctly decoded, and the UE may refrain from decoding the subsequent transmission.

公开(公告)号：US11638169B2

公开(公告)日：2023-04-25

申请号：US17394221

申请日：2021-08-04

Applicant: QUALCOMM Incorporated

Inventor： Faris Rassam ,  Hobin Kim ,  Alexei Yurievitch Gorokhov ,  Hari Sankar

IPC: H04B17/318 ,  H04B17/336 ,  H04J11/00 ,  H04W8/24 ,  H04W16/14 ,  H04W24/08 ,  H04W24/10 ,  H04W72/12 ,  H04W84/02 ,  H04W88/02 ,  H04W88/08 ,  H04W92/02 ,  H04W92/10 ,  H04W72/1263

Abstract: A user equipment (UE) receives, from a base station, a message including at least one reporting configuration and resource configuration for a number of channel state information-interference measurement (CSI-IM) resource patterns associated with a first radio access technology (RAT). Each of the configured CSI-IM resource patterns corresponds to a time and frequency location in a resource block of a neighbor cell associated with a second RAT. The UE transmits one or more CSI reports based on the reporting configuration(s) and the resource configuration(s).